External air arrives between a cowl and a windshield and is forced in salon by a running stream, or, in addition, the salon fan. If the car is equipped by the dustproof filter arriving air is cleared before receipt in a supercharger. At inclusion of heating the valve opens a way through the heat exchanger, a small heating element on which there passes нагретая a cooling liquid from the engine. If heating is not included, arriving air is included into salon on other way, bypassing the heat exchanger.